单选题 This morning I heard (on the radio) (which) the steel industry has decided (to give) its employees a (10% raise) in pay.
A. on the radio B. which C. to give D. 10% raise

【正确答案】 B
【答案解析】应改为that。heard 缺少宾语，that引导宾语从句。which不能引导宾语从句。